// UI Definition
var GuacamoleUI = {
+ /* Detection Constants */
+
+ "LONG_PRESS_DETECT_TIMEOUT" : 800, /* milliseconds */
+ "LONG_PRESS_MOVEMENT_THRESHOLD" : 10, /* pixels */
+ "MENU_CLOSE_DETECT_TIMEOUT" : 500, /* milliseconds */
+ "MENU_OPEN_DETECT_TIMEOUT" : 325, /* milliseconds */
+ "KEYBOARD_AUTO_RESIZE_INTERVAL" : 30, /* milliseconds */
+
+ /* Animation Constants */
+
+ "MENU_SHADE_STEPS" : 10, /* frames */
+ "MENU_SHADE_INTERVAL" : 30, /* milliseconds */
+ "MENU_SHOW_STEPS" : 5, /* frames */
+ "MENU_SHOW_INTERVAL" : 30, /* milliseconds */
+
+ /* OSK Mode Constants */
+ "OSK_MODE_NATIVE" : 1, /* "Show Keyboard" will show the platform's native OSK */
+ "OSK_MODE_GUAC" : 2, /* "Show Keyboard" will show Guac's built-in OSK */
+
+ /* UI Elements */
+
"viewport" : document.getElementById("viewportClone"),
"display" : document.getElementById("display"),
"menu" : document.getElementById("menu"),
if (!menu_shaded) {
- var step = Math.floor(GuacamoleUI.menu.offsetHeight / 10) + 1;
+ var step = Math.floor(GuacamoleUI.menu.offsetHeight / GuacamoleUI.MENU_SHADE_STEPS) + 1;
var offset = 0;
menu_shaded = true;
GuacamoleUI.menu.style.visiblity = "hidden";
}
- }, 30);
+ }, GuacamoleUI.MENU_SHADE_INTERVAL);
}
};
if (menu_shaded) {
- var step = Math.floor(GuacamoleUI.menu.offsetHeight / 5) + 1;
+ var step = Math.floor(GuacamoleUI.menu.offsetHeight / GuacamoleUI.MENU_SHOW_STEPS) + 1;
var offset = -GuacamoleUI.menu.offsetHeight;
menu_shaded = false;
GuacamoleUI.menu.style.visiblity = "";
GuacamoleUI.menu.style.top = offset + "px";
- }, 30);
+ }, GuacamoleUI.MENU_SHOW_INTERVAL);
}
};
};
- var assumeNativeOSK = false;
+ // Assume no native OSK by default
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
// Show/Hide keyboard
var keyboardResizeInterval = null;
GuacamoleUI.buttons.showKeyboard.onclick = function() {
- // If we think the platform has a native OSK, use the event target to
- // cause it to display.
- if (assumeNativeOSK) {
- GuacamoleUI.eventTarget.focus();
- return;
+ // If Guac OSK shown, hide it.
+ var displayed = GuacamoleUI.containers.keyboard.style.display;
+ if (displayed == "block") {
+ GuacamoleUI.containers.keyboard.style.display = "none";
+ GuacamoleUI.buttons.showKeyboard.textContent = "Show Keyboard";
+
+ window.onresize = null;
+ window.clearInterval(keyboardResizeInterval);
}
- var displayed = GuacamoleUI.containers.keyboard.style.display;
- if (displayed != "block") {
+ // If not shown ... action depends on OSK mode.
+ else {
+
+ // If we think the platform has a native OSK, use the event target to
+ // cause it to display.
+ if (GuacamoleUI.oskMode == GuacamoleUI.OSK_MODE_NATIVE) {
+
+ // ...but use the Guac OSK if clicked again
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
+
+ // Try to show native OSK by focusing eventTarget.
+ GuacamoleUI.eventTarget.focus();
+ return;
+
+ }
+
+ // Ensure event target is NOT focused if we are using the Guac OSK.
+ GuacamoleUI.eventTarget.blur();
+
GuacamoleUI.containers.keyboard.style.display = "block";
GuacamoleUI.buttons.showKeyboard.textContent = "Hide Keyboard";
// Automatically update size
window.onresize = updateKeyboardSize;
- keyboardResizeInterval = window.setInterval(updateKeyboardSize, 30);
+ keyboardResizeInterval = window.setInterval(updateKeyboardSize, GuacamoleUI.KEYBOARD_AUTO_RESIZE_INTERVAL);
updateKeyboardSize();
}
- else {
- GuacamoleUI.containers.keyboard.style.display = "none";
- GuacamoleUI.buttons.showKeyboard.textContent = "Show Keyboard";
-
- window.onresize = null;
- window.clearInterval(keyboardResizeInterval);
- }
+
};
// Wait and then show menu
detectMenuOpenTimeout = window.setTimeout(function() {
+
+ // If menu opened via mouse, do not show native OSK
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
+
GuacamoleUI.showMenu();
detectMenuOpenTimeout = null;
- }, 325);
+ }, GuacamoleUI.MENU_OPEN_DETECT_TIMEOUT);
}
};
// Initiate detection of menu close action. If not canceled through some
- // user event, menu will close.
+ // user mouse event, menu will close.
GuacamoleUI.startMenuCloseDetect = function() {
if (!detectMenuCloseTimeout) {
detectMenuCloseTimeout = window.setTimeout(function() {
GuacamoleUI.shadeMenu();
detectMenuCloseTimeout = null;
- }, 500);
+ }, GuacamoleUI.MENU_CLOSE_DETECT_TIMEOUT);
}
// When mouse hovers over top of screen, start detection of intent to open menu
GuacamoleUI.menuControl.addEventListener('mousemove', GuacamoleUI.startMenuOpenDetect, true);
+ var long_press_start_x = 0;
+ var long_press_start_y = 0;
var menuShowLongPressTimeout = null;
GuacamoleUI.startLongPressDetect = function() {
menuShowLongPressTimeout = null;
// Assume native OSK if menu shown via long-press
- assumeNativeOSK = true;
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_NATIVE;
GuacamoleUI.showMenu();
- }, 800);
+ }, GuacamoleUI.LONG_PRESS_DETECT_TIMEOUT);
}
};
menuShowLongPressTimeout = null;
};
- // Ensure the event target ALWAYS has text inside.
- GuacamoleUI.eventTarget.onchange = function() {
- GuacamoleUI.eventTarget.value = "x";
+ // Reset event target (add content, reposition cursor in middle.
+ GuacamoleUI.resetEventTarget = function() {
+ GuacamoleUI.eventTarget.value = "GUAC";
+ GuacamoleUI.eventTarget.selectionStart =
+ GuacamoleUI.eventTarget.selectionEnd = 2;
};
// Detect long-press at bottom of screen
- document.body.addEventListener('touchstart', GuacamoleUI.startLongPressDetect, true);
+ GuacamoleUI.display.addEventListener('touchstart', function(e) {
+
+ // Close menu if shown
+ GuacamoleUI.shadeMenu();
+
+ // Record touch location
+ if (e.touches.length == 1) {
+ var touch = e.touches[0];
+ long_press_start_x = touch.screenX;
+ long_press_start_y = touch.screenY;
+ }
+
+ // Start detection
+ GuacamoleUI.startLongPressDetect();
+
+ }, true);
+
+ // Stop detection if touch moves significantly
+ GuacamoleUI.display.addEventListener('touchmove', function(e) {
+
+ if (e.touches.length == 1) {
+
+ // If touch distance from start exceeds threshold, cancel long press
+ var touch = e.touches[0];
+ if (Math.abs(touch.screenX - long_press_start_x) >= GuacamoleUI.LONG_PRESS_MOVEMENT_THRESHOLD
+ || Math.abs(touch.screenY - long_press_start_y) >= GuacamoleUI.LONG_PRESS_MOVEMENT_THRESHOLD)
+ GuacamoleUI.stopLongPressDetect();
+
+ }
+
+ }, true);
+
+ // Stop detection if press stops
+ GuacamoleUI.display.addEventListener('touchend', GuacamoleUI.stopLongPressDetect, true);
+
+ // Close menu on mouse movement
+ GuacamoleUI.display.addEventListener('mousemove', GuacamoleUI.startMenuCloseDetect, true);
+ GuacamoleUI.display.addEventListener('mousedown', GuacamoleUI.startMenuCloseDetect, true);
// Reconnect button
GuacamoleUI.buttons.reconnect.onclick = function() {
// Tie UI events / behavior to a specific Guacamole client
GuacamoleUI.attach = function(guac) {
+ var title_prefix = null;
+ var connection_name = null
+
var guac_display = guac.getDisplay();
+ // Set document title appropriately, based on prefix and connection name
+ function updateTitle() {
+
+ // Use title prefix if present
+ if (title_prefix) {
+
+ document.title = title_prefix;
+
+ // Include connection name, if present
+ if (connection_name)
+ document.title += " " + connection_name;
+
+ }
+
+ // Otherwise, just set to connection name
+ else if (connection_name)
+ document.title = connection_name;
+
+ }
+
// When mouse enters display, start detection of intent to close menu
guac_display.addEventListener('mouseover', GuacamoleUI.startMenuCloseDetect, true);
// Scroll (if necessary) to keep mouse on screen.
window.scrollBy(scroll_amount_x, scroll_amount_y);
- // Hide menu on movement
- GuacamoleUI.startMenuCloseDetect();
-
- // Stop detecting long presses if mouse is being used
- GuacamoleUI.stopLongPressDetect();
-
// Send mouse event
guac.sendMouseState(mouseState);
function enableKeyboard() {
keyboard.onkeydown =
function (keysym) {
+
+ // If we're using native OSK, ensure event target is reset
+ // on each key event.
+ if (GuacamoleUI.oskMode == GuacamoleUI.OSK_MODE_NATIVE)
+ GuacamoleUI.resetEventTarget();
+
guac.sendKeyEvent(1, keysym);
};
// Handle client state change
guac.onstatechange = function(clientState) {
+
switch (clientState) {
// Idle
case 0:
GuacamoleUI.showStatus("Idle.");
+ title_prefix = "[Idle]";
break;
// Connecting
case 1:
GuacamoleUI.shadeMenu();
GuacamoleUI.showStatus("Connecting...");
+ title_prefix = "[Connecting...]";
break;
// Connected + waiting
case 2:
GuacamoleUI.showStatus("Connected, waiting for first update...");
+ title_prefix = "[Waiting...]";
break;
// Connected
GuacamoleUI.display.className.replace(/guac-loading/, '');
GuacamoleUI.menu.className = "connected";
+
+ title_prefix = null;
break;
// Disconnecting
case 4:
GuacamoleUI.showStatus("Disconnecting...");
+ title_prefix = "[Disconnecting...]";
break;
// Disconnected
case 5:
GuacamoleUI.showStatus("Disconnected.");
+ title_prefix = "[Disconnected]";
break;
// Unknown status code
GuacamoleUI.showStatus("[UNKNOWN STATUS]");
}
+
+ updateTitle();
};
// Name instruction handler
guac.onname = function(name) {
- document.title = name;
+ connection_name = name;
+ updateTitle();
};
// Error handler